Base | Representation |
---|---|
bin | 11001010011011… |
… | …01110101000101 |
3 | 112210102001000110 |
4 | 30221231311011 |
5 | 413314342323 |
6 | 33021303233 |
7 | 5155125162 |
oct | 1451556505 |
9 | 483361013 |
10 | 212262213 |
11 | a98a8819 |
12 | 5b104b19 |
13 | 34c8b757 |
14 | 20295069 |
15 | 1397c793 |
hex | ca6dd45 |
212262213 has 8 divisors (see below), whose sum is σ = 285661728. Its totient is φ = 140185424.
The previous prime is 212262209. The next prime is 212262217. The reversal of 212262213 is 312262212.
It is an interprime number because it is at equal distance from previous prime (212262209) and next prime (212262217).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212262213 - 22 = 212262209 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 212262213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212262217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330306 + ... + 330947.
It is an arithmetic number, because the mean of its divisors is an integer number (35707716).
Almost surely, 2212262213 is an apocalyptic number.
It is an amenable number.
212262213 is a deficient number, since it is larger than the sum of its proper divisors (73399515).
212262213 is a wasteful number, since it uses less digits than its factorization.
212262213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 661363.
The product of its digits is 576, while the sum is 21.
The square root of 212262213 is about 14569.2214273790. The cubic root of 212262213 is about 596.5189287410.
Subtracting 212262213 from its reverse (312262212), we obtain a palindrome (99999999).
The spelling of 212262213 in words is "two hundred twelve million, two hundred sixty-two thousand, two hundred thirteen".
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